1023243441313 has 4 divisors (see below), whose sum is σ = 1058527697940. Its totient is φ = 987959184688.

The previous prime is 1023243441301. The next prime is 1023243441401. The reversal of 1023243441313 is 3131443423201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 532771527744 + 490471913569 = 729912^2 + 700337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023243441313 - 2²⁹ = 1022706570401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023243442313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17642128270 + ... + 17642128327.

It is an arithmetic number, because the mean of its divisors is an integer number (264631924485).

Almost surely, 2^{1023243441313} is an apocalyptic number.

It is an amenable number.

1023243441313 is a deficient number, since it is larger than the sum of its proper divisors (35284256627).

1023243441313 is an equidigital number, since it uses as much as digits as its factorization.

1023243441313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35284256626.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1023243441313 its reverse (3131443423201), we get a palindrome (4154686864514).

The spelling of 1023243441313 in words is "one trillion, twenty-three billion, two hundred forty-three million, four hundred forty-one thousand, three hundred thirteen".